Hell is not punishment, it's training.

True communication depends upon our being straightforward with one another... But the best way to communicate may be just to sit without saying anything.

Our way is to practice one step at a time, one breath at a time, with no gaining idea.

Our tendency is to be interested in something that is growing in the garden, not in the bare soil itself. But if you want to have a good harvest, the most important thing is to make the soil rich and cultivate it well.

From True Emptiness The Wondrous Being Appears

Things are always changing, so nothing can be yours.

So it is not a matter of whether it is possible to attain Buddhahood, or if it is possible to make a tile a jewel. But just to work, just to live in this world with this understanding is the most important point, and that is our practice. That is true zazen.